gppwm load axis can be another GPPWM channel (!!!!!) (#4587)

* gppwm load axis can be another GPPWM channel (!!!!!)

* explicit cast

* efiAssert not void

* kick

firmware/controllers/actuators/gppwm/gppwm_channel.cpp

@@ -44,22 +44,32 @@ expected<float> readGppwmChannel(gppwm_channel_e channel) {
 		return Sensor::get(SensorType::AuxLinear1);
 	case GPPWM_AuxLinear2:
 		return Sensor::get(SensorType::AuxLinear2);
+	case GPPWM_GppwmOutput1:
+		return (float)engine->outputChannels.gppwmOutput[0];
+	case GPPWM_GppwmOutput2:
+		return (float)engine->outputChannels.gppwmOutput[1];
+	case GPPWM_GppwmOutput3:
+		return (float)engine->outputChannels.gppwmOutput[2];
+	case GPPWM_GppwmOutput4:
+		return (float)engine->outputChannels.gppwmOutput[3];
 	}
 
 	return unexpected;
 }
 
-void GppwmChannel::setOutput(float result) {
+float GppwmChannel::setOutput(float result) {
 	// Not init yet, nothing to do.
 	if (!m_config) {
-		return;
+		return result;
 	}
 
 	if (m_usePwm) {
-		efiAssertVoid(OBD_PCM_Processor_Fault, m_usePwm, "m_usePwm null");
+		efiAssert(OBD_PCM_Processor_Fault, m_usePwm, "m_usePwm null", 0);
 		m_pwm->setSimplePwmDutyCycle(clampF(0, result / 100.0f, 1));
+
+		return result;
 	} else {
-		efiAssertVoid(OBD_PCM_Processor_Fault, m_output, "m_output null");
+		efiAssert(OBD_PCM_Processor_Fault, m_output, "m_output null", 0);
 		if (m_config->offBelowDuty > m_config->onAboveDuty) {
 			firmwareError(CUSTOM_ERR_6122, "You can't have off below %d greater than on above %d",
 					m_config->offBelowDuty,
@@ -73,6 +83,9 @@ void GppwmChannel::setOutput(float result) {
 		}
 
 		m_output->setValue(m_state);
+
+		// Return the actual output value with hysteresis
+		return m_state ? 100 : 0;
 	}
 }
 
@@ -110,6 +123,5 @@ float GppwmChannel::update() {
 	}
 
 	float output = getOutput();
-	setOutput(output);
-	return output;
+	return setOutput(output);
 }

firmware/controllers/actuators/gppwm/gppwm_channel.h

@@ -14,7 +14,9 @@ public:
 	void init(bool usePwm, IPwm* pwm, OutputPin* outputPin, const ValueProvider3D* table, const gppwm_channel* config);
 	float update();
 	percent_t getOutput() const;
-	void setOutput(float result);
+
+	// Returns actual output duty, with hysteresis applied
+	float setOutput(float result);
 
 private:
 	// Store the current state so we can apply hysteresis

firmware/controllers/algo/rusefi_enums.h

@@ -547,6 +547,10 @@ typedef enum __attribute__ ((__packed__)) {
 	GPPWM_EthanolPercent = 15,
 	GPPWM_AuxLinear1 = 16,
 	GPPWM_AuxLinear2 = 17,
+	GPPWM_GppwmOutput1 = 18,
+	GPPWM_GppwmOutput2 = 19,
+	GPPWM_GppwmOutput3 = 20,
+	GPPWM_GppwmOutput4 = 21,
 } gppwm_channel_e;
 
 typedef enum __attribute__ ((__packed__)) {

firmware/integration/rusefi_config.txt

@@ -347,7 +347,7 @@ struct spi_pins
 end_struct
 
 
-#define gppwm_channel_e_enum "Zero", "TPS", "MAP", "CLT", "IAT", "Fuel Load", "Ignition Load", "Aux Temp 1", "Aux Temp 2", "Accel Pedal", "Battery Voltage", "VVT 1 I", "VVT 1 E", "VVT 2 I", "VVT 2 E", "Ethanol (Flex) %", "Aux Linear 1", "Aux Linear 2"
+#define gppwm_channel_e_enum "Zero", "TPS", "MAP", "CLT", "IAT", "Fuel Load", "Ignition Load", "Aux Temp 1", "Aux Temp 2", "Accel Pedal", "Battery Voltage", "VVT 1 I", "VVT 1 E", "VVT 2 I", "VVT 2 E", "Ethanol (Flex) %", "Aux Linear 1", "Aux Linear 2", "GPPWM Output 1", "GPPWM Output 2", "GPPWM Output 3", "GPPWM Output 4"
 custom gppwm_channel_e 1 bits, U08, @OFFSET@, [0:4], @@gppwm_channel_e_enum@@
 
 struct gppwm_channel